computer fundamentals 2

Embed Size (px)

Text of computer fundamentals 2

  • 7/28/2019 computer fundamentals 2

    1/27

    The Internet, the Web,

    and ElectronicCommerce

    Chapter 2

    Copyright 2011 by The McGraw-Hill Companies, Inc. All rights reserved.2-1

  • 7/28/2019 computer fundamentals 2

    2/27

    Competencies (1 of 2)

    Discuss the origins of the Internet and the Web

    Describe how to access the Web using providers

    and browsers

    Discuss Internet communications, including e-mail,instant messaging, social

    networking, blogs,

    microblogs, and wikis.

    2-2 Copyright 2011 by The McGraw-Hill Companies, Inc. All rights reserved.

  • 7/28/2019 computer fundamentals 2

    3/27

    Describe search tools, including search engines,metasearch engines, and specialized search

    engines.

    Evaluate the accuracy of information on the Web.

    Discuss electronic commerce, including B2C, C2C,B2B, and security issues.

    Describe Web utilities:

    Web-based applications,

    FTP, plug-ins, and filters,

    Internet security, and file

    transfer utilities.

    Competencies(2 of 2)

    2-3 Copyright 2011 by The McGraw-Hill Companies, Inc. All rights reserved.

  • 7/28/2019 computer fundamentals 2

    4/27

    The Internet is often referred to as the Information

    Superhighway because it connects millions of

    people across the globe.

    Unlike a typical highway, the Internet moves idea

    and information.

    The Web provides an easy-to-use, intuitive interface

    to connect to the Internet and is used by millions of

    people every day.

    Competent end users need to be aware of the

    resources available on the Internet and the Web.

    Introduction

    2-4 Copyright 2011 by The McGraw-Hill Companies, Inc. All rights reserved.

  • 7/28/2019 computer fundamentals 2

    5/27

    Large network that connects smaller

    networks globally

    The Internet was Launched in 1969 National computer network

    US funded project

    called ARPANET

    World Wide Web orWWW was intro-

    duced in 1991 at

    CERN

    The Internet and the Web

    2-5 Copyright 2011 by The McGraw-Hill Companies, Inc. All rights reserved.

  • 7/28/2019 computer fundamentals 2

    6/27

    Common Internet Uses

    Communicating

    Exchange e-mail

    Discussion Groups Online shopping Searching

    Virtual Libraries

    Entertainment Education ore-learning

    2-6 Copyright 2011 by The McGraw-Hill Companies, Inc. All rights reserved.

  • 7/28/2019 computer fundamentals 2

    7/27

    Access

    Common way to access the Internet is through a

    Commercial Internet Service Providers (ISP)

    Regional Service Provider

    Wireless service

    providers

    2-7 Copyright 2011 by The McGraw-Hill Companies, Inc. All rights reserved.

  • 7/28/2019 computer fundamentals 2

    8/27

    Browsers

    Programs that provide access to Webresources

    Allow you to surfthe Internet

    Three well-known browsers Mozilla Firefox

    Apple Safari

    Microsoft Internet Explorer

    Google Chrome

    Address orlocation of the resource must bespecified

    URL

    2-8 Copyright 2011 by The McGraw-Hill Companies, Inc. All rights reserved.

  • 7/28/2019 computer fundamentals 2

    9/27

    URLs

    Uniform Resource Locators

    All URLs have at least two parts

    Protocol

    Domain name

    Locates Web sites

    2-9 Copyright 2011 by The McGraw-Hill Companies, Inc. All rights reserved.

  • 7/28/2019 computer fundamentals 2

    10/27

    More on Browsers

    Browsers interpret HTML commands Hypertext Markup Language

    Contained in a document

    Display document as a

    Web page

    2-10 Copyright 2011 by The McGraw-Hill Companies, Inc. All rights reserved.

  • 7/28/2019 computer fundamentals 2

    11/27

    Most popular Internet activity

    Types of communication

    Electronic Mail (E-Mail)

    Instant Messaging

    Social Networking

    Communication

    2-11 Copyright 2011 by The McGraw-Hill Companies, Inc. All rights reserved.

  • 7/28/2019 computer fundamentals 2

    12/27

    Spam

    2-14

    Junk and/or unwanted Email

    Computer viruses or destructive programs are oftenattached to unsolicited email

    CAN-SPAM Act

    Spam blockers incorporate a myriad of approachedto identify and control spam

    Spam blockers are also referred to as:

    Junk mail filters

    Anti-spam programs

    ReturnCopyright 2011 by The McGraw-Hill Companies, Inc. All rights reserved.

  • 7/28/2019 computer fundamentals 2

    13/27

    Blogs, Microblogs, and Wikis

    Web logs or blogs postings thatare timestamped and arranged with

    the newest item first

    Microblog publishes short

    sentences Answer the question - What are

    you doing?

    Twitter is a microblog

    Wiki a Web site speciallydesigned to allow visitors to fill in

    missing information

    2-17 Copyright 2011 by The McGraw-Hill Companies, Inc. All rights reserved.

  • 7/28/2019 computer fundamentals 2

    14/27

    Search engines

    Metasearch engines

    Specialized search engines Content Evaluation

    Search Tools

    2-18 Copyright 2011 by The McGraw-Hill Companies, Inc. All rights reserved.

  • 7/28/2019 computer fundamentals 2

    15/27

    Also known as e-commerce

    Buying and selling of goods over the Internet

    Business-to-consumer(B2C)

    Consumer-to-consumer (C2C) Web auctions

    Business-to-business (B2B)

    Electronic Commerce

    2-24 Copyright 2011 by The McGraw-Hill Companies, Inc. All rights reserved.

  • 7/28/2019 computer fundamentals 2

    16/27

    Involves the sale of a product or service from one

    business to another (B2B)

    Primarily a manufacturer supplier relationship

    Business to Business

    2-25 Copyright 2011 by The McGraw-Hill Companies, Inc. All rights reserved.

  • 7/28/2019 computer fundamentals 2

    17/27

    Business to Consumer

    Fastest growing type of e-commerce

    Three most widely used B2C applications:

    Online banking

    Financial trading

    Shopping

    2-26

    ReturnCopyright 2011 by The McGraw-Hill Companies, Inc. All rights reserved.

  • 7/28/2019 computer fundamentals 2

    18/27

    Consumer to ConsumerWeb Auctions

    Consumer-to-consumer e-commerce (C2C)

    Similar to traditional auctions

    Types

    Auction house sites

    Person-to-person

    auction sites

    2-27 Copyright 2011 by The McGraw-Hill Companies, Inc. All rights reserved.

  • 7/28/2019 computer fundamentals 2

    19/27

    Security

    Payment methods must be fast, reliable, andsecure

    Three basic options

    Checks

    Credit card

    Digital cash

    2-28 Copyright 2011 by The McGraw-Hill Companies, Inc. All rights reserved.

  • 7/28/2019 computer fundamentals 2

    20/27

    Specialized utility programs that make usingthe internet & web safer and easier

    Web-based applications

    Plug-Ins Filters

    FTP

    Internet Security Suites

    Web Utilities

    2-29 Copyright 2011 by The McGraw-Hill Companies, Inc. All rights reserved.

  • 7/28/2019 computer fundamentals 2

    21/27

    Plug-Ins

    2-30

    Return

    Copyright 2011 by The McGraw-Hill Companies, Inc. All rights reserved.

  • 7/28/2019 computer fundamentals 2

    22/27

    Filters

    2-31

    ReturnCopyright 2011 by The McGraw-Hill Companies, Inc. All rights reserved.

  • 7/28/2019 computer fundamentals 2

    23/27

    Internet Security Suites

    Collection of utility programs designed to maintain

    your security and privacy while on the web

    McAfee

    Norton

    2-32 Copyright 2011 by The McGraw-Hill Companies, Inc. All rights reserved.

  • 7/28/2019 computer fundamentals 2

    24/27

    Careers In IT - Webmasters

    Develop & maintain

    websites

    Back-up of the company

    website, updatingresources, and

    development of new

    resources

    Work with the marketing

    department to increase the

    site traffic flow

    2-33 Copyright 2011 by The McGraw-Hill Companies, Inc. All rights reserved.

  • 7/28/2019 computer fundamentals 2

    25/27

    Smart appliances in homes will have theirown Web page

    Refrigerators know what food they contain

    Appliance could send an e-mail to thegrocery store to restock

    Downsides?

    A Look to the FutureWeb-Accessible Refrigerators

    2-34 Copyright 2011 by The McGraw-Hill Companies, Inc. All rights reserved.

  • 7/28/2019 computer fundamentals 2

    26/27

    Discuss the uses of the Internet. Whichactivities have you participated in? Whichone do you think is the most popular?

    Explain the differences between the threetypes of providers.

    What are the basic elements of an e-mailmessage?

    Open-Ended Questions (Page 1 of 2)

    2-35 Copyright 2011 by The McGraw-Hill Companies, Inc. All rights reserved.

  • 7/28/2019 computer fundamentals 2

    27/27

    What is social networking? Describe the

    three types of social networking sites.

    Describe the different types of searchengines. Give an example of the type of

    search each engine is best for.

    Open Ended Questions (Page 2 of 2)